North Korean leader Kim Jong Un has ordered the "mass production" of attack drones, state media reported on Friday, as concerns mount over the country's deepening military cooperation with Russia.

North Korea says it has tested exploding drones designed to hit targets and leader Kim Jong Un called for accelerating their mass production.

North Korean leader Kim Jong Un called for the mass production of attack drones after Pyongyang accused Seoul of flying unmanned aerial vehicles in the airspace over its capital in what it called a “war provocation.